loco-info.com - Soviet Railways series КП-4

Dimensions and Weights
Length	34 ft 11 1/16 in
Length loco	18 ft 8 7/8 in
Wheelbase	7 ft 4 9/16 in
Rigid wheelbase	7 ft 4 9/16 in
Total wheelbase	26 ft 10 13/16 in
Empty weight	30,865 lbs
Service weight	35,274 lbs
Adhesive weight	35,274 lbs
Total weight	61,729 lbs
Axle load	8,818 lbs
Water capacity	1,374 us gal
Fuel capacity	4,409 lbs (coal)

Boiler
Grate area	10.9 sq ft
Evaporative heating area	399.9 sq ft
Superheater area	145.1 sq ft
Total heating area	545 sq ft

Power Plant
Driver diameter	23.6 in
Boiler pressure	188 psi
Expansion type	simple
Cylinders	two, 11 1/4 x 11 13/16 in

Power
Power source	steam
Indicated power	177 hp (132 kW)
Optimal speed	11 mph
Top speed	22 mph
Starting effort	10,085 lbf

Calculated Values
Factor of adhesion	1 : 3.50
Power-to-weight ratio	0.0050 hp/lb
Adhesive weight/Total	1 : 1.00
Tractive force/Heating area	1 : 4160.17
Total/Superheater	1 : 2.76

steam locomotive

freight

passenger

narrow gauge

last changed: 10 2023

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